use crate::Acc;

use crate::LinkSet;

use crate::MetadataMap;

use crate::TransactionMetadata;

        self.amount = Default::default();

        self.amount = None;

        self.cost = Default::default();

        self.cost = None;

        self.flag = Default::default();

        self.flag = None;

        self.price = Default::default();

        self.price = None;

    pub metadata: TransactionMetadata,

    pub links: LinkSet,
    pub meta: MetadataMap,

        let (flag, metadata, payee, narration, postings) = Default::default();

        let (flag, links, meta, payee, narration, postings) = Default::default();

            metadata,

            links,
            meta,

    pub fn add_key_value(

    pub fn add_meta(

        self.metadata.add_key_value(key, value);

        self.meta.insert(key.into(), value.into());

        self.metadata.add_link(link);

        self.links.insert(link.into());

    pub fn clear_metadata(&mut self) -> &mut Self {
        self.metadata = Default::default();

    pub fn clear_meta(&mut self) -> &mut Self {
        self.meta.clear();

        self.narration = Default::default();

        self.narration = None;

        self.payee = Default::default();

        self.payee = None;

    pub fn set_metadata(&mut self, metadata: impl Into<TransactionMetadata>) -> &mut Self {
        self.metadata = metadata.into();

    pub fn set_meta(&mut self, meta: impl Into<MetadataMap>) -> &mut Self {
        self.meta = meta.into();

}

    #[inline]
    pub fn with_metadata(&mut self, block: impl FnOnce(&mut TransactionMetadata)) -> &mut Self {
        block(&mut self.metadata);
        self

impl Transaction {
    pub fn main_account(&self) -> Option<&Acc> {
        self.postings
            .first()
            .map(|posting| posting.account.as_ref())

    pub fn with_postings(&mut self, block: impl FnOnce(&mut Vec<Posting>)) -> &mut Self {
        block(&mut self.postings);
        self
    }
}
impl Transaction {
    #[inline]

        self.metadata
            .key_value

        self.meta

            metadata,

            links,
            meta,

        write!(f, "{metadata}")?;

        for link in links {
            write!(f, "\n  {link}")?;
        }
        for (key, value) in meta {
            write!(f, "\n  {key}: {value}")?;
        }

use core::fmt::Display;
use time::Date;
use crate::Amount;
use crate::Commodity;
use crate::MetadataKey;
use crate::MetadataMap;
use crate::MetadataValue;
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub struct Price {
    pub date: Date,
    pub quote: Commodity,
    pub price: Amount,
    pub meta: MetadataMap,
}
impl Price {
    pub fn new(date: Date, quote: Commodity, price: Amount) -> Self {
        let meta = MetadataMap::default();
        Self {
            date,
            quote,
            price,
            meta,
        }
    }
}
impl Price {
    #[inline]
    pub fn add_meta(
        &mut self,
        key: impl Into<MetadataKey>,
        value: impl Into<MetadataValue>,
    ) -> &mut Self {
        self.meta.insert(key.into(), value.into());
        self
    }
    #[inline]
    pub fn clear_meta(&mut self) -> &mut Self {
        self.meta.clear();
        self
    }
    #[inline]
    pub fn set_quote(&mut self, quote: impl Into<Commodity>) -> &mut Self {
        self.quote = quote.into();
        self
    }
    #[inline]
    pub fn set_price(&mut self, price: Amount) -> &mut Self {
        self.price = price;
        self
    }
    #[inline]
    pub fn set_date(&mut self, date: Date) -> &mut Self {
        self.date = date;
        self
    }
    #[inline]
    pub fn set_meta(&mut self, meta: impl Into<MetadataMap>) -> &mut Self {
        self.meta = meta.into();
        self
    }
}
impl Display for Price {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let Self {
            date,
            quote,
            price,
            meta,
        } = self;
        write!(f, "{date} price {quote} {price}")?;
        for (key, value) in meta {
            write!(f, "\n  {key}: {value}")?;
        }
        Ok(())
    }
}

use core::borrow::Borrow;
use core::fmt::Display;
use core::ops::Deref;
use core::str::FromStr;
use alloc::collections::BTreeMap;
use delegate::delegate;
use miette::Diagnostic;
use snafu::ensure;
use snafu::Backtrace;
use snafu::Snafu;
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Key {
    name: String,
}
impl Key {
    pub const unsafe fn from_unchecked(name: String) -> Self {
        Self { name }
    }
}
impl Borrow<str> for Key {
    fn borrow(&self) -> &str {
        &self.name
    }
}
impl Display for Key {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_str(&self.name)
    }
}
impl FromStr for Key {
    type Err = KeyError;
    #[inline]
    fn from_str(name: &str) -> Result<Self, Self::Err> {
        ensure!(is_valid_key(name), KeySnafu { name });
        let name = name.to_owned();
        Ok(Self { name })
    }
}
impl TryFrom<String> for Key {
    type Error = KeyError;
    fn try_from(name: String) -> Result<Self, Self::Error> {
        ensure!(is_valid_key(&name), KeySnafu { name });
        Ok(Self { name })
    }
}
#[derive(Debug, Diagnostic, Snafu)]
pub struct KeyError {
    backtrace: Backtrace,
    name: String,
}
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Link {
    name: String,
}
impl Borrow<Lnk> for Link {
    fn borrow(&self) -> &Lnk {
        self
    }
}
impl Deref for Link {
    type Target = Lnk;
    fn deref(&self) -> &Self::Target {
        #[allow(unsafe_code)]
        unsafe {
            // SAFETY: self.name is a valid link name, by construction
            Self::Target::from_unchecked(&self.name)
        }
    }
}
impl Display for Link {
    delegate! {
        to self.name {
            fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result;
        }
    }
}
impl From<&Lnk> for Link {
    #[inline]
    fn from(link: &Lnk) -> Self {
        link.to_owned()
    }
}
impl FromStr for Link {
    type Err = LinkError;
    #[inline]
    fn from_str(name: &str) -> Result<Self, Self::Err> {
        <&Lnk>::try_from(name).map(Self::from)
    }
}
impl TryFrom<String> for Link {
    type Error = LinkError;
    #[inline]
    fn try_from(name: String) -> Result<Self, Self::Error> {
        ensure!(is_valid_link_name(&name), LinkSnafu { name });
        Ok(Self { name })
    }
}
#[derive(Debug, Diagnostic, Snafu)]
pub struct LinkError {
    name: String,
    backtrace: Backtrace,
}
#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Lnk {
    name: str,
}
impl Lnk {
    #[allow(unsafe_code)]
    #[inline]
    const unsafe fn from_unchecked(name: &str) -> &Self {
        let name: *const _ = name;
        let name = name as *const _;
        unsafe { &*name }
    }
}
impl ToOwned for Lnk {
    type Owned = Link;
    #[inline]
    fn to_owned(&self) -> Self::Owned {
        let name = self.name.to_owned();
        Self::Owned { name }
    }
}
impl<'l> TryFrom<&'l str> for &'l Lnk {
    type Error = LinkError;
    #[inline]
    fn try_from(name: &'l str) -> Result<Self, Self::Error> {
        ensure!(is_valid_link_name(name), LinkSnafu { name });
        Ok(
            #[allow(unsafe_code)]
            unsafe {
                // SAFETY: we have ensured that `name` is a valid link.
                Lnk::from_unchecked(name)
            },
        )
    }
}
#[derive(Clone, Debug, Default, Eq, Hash, PartialEq)]
pub struct Transaction {
    pub key_value: BTreeMap<Key, Value>,
    pub links: Vec<Link>,
}
impl Transaction {
    #[inline]
    pub fn add_link(&mut self, link: impl Into<Link>) -> &mut Self {
        self.links.push(link.into());
        self
    }
    #[inline]
    pub fn add_key_value(&mut self, key: impl Into<Key>, value: impl Into<Value>) -> &mut Self {
        self.key_value.insert(key.into(), value.into());
        self
    }
}
impl Display for Transaction {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        for link in &self.links {
            write!(f, "\n  {link}")?;
        }
        for (key, value) in &self.key_value {
            write!(f, "\n  {key}: {value}")?;
        }
        Ok(())
    }
}
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum Value {
    String(String),
}
impl Value {
    pub fn as_str(&self) -> Option<&str> {
        let Self::String(inner) = self;
        Some(inner)
    }
}
impl Display for Value {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Value::String(inner) => write!(f, "{inner:?}"),
        }
    }
}
impl<S> From<S> for Value
where
    S: Into<String>,
{
    fn from(value: S) -> Self {
        Self::String(value.into())
    }
}
fn is_valid_key(name: &str) -> bool {
    lazy_regex::regex_is_match!(r"^(:?[a-z][a-zA-Z0-9\-_]+)$", name)
}
fn is_valid_link_name(name: &str) -> bool {
    lazy_regex::regex_is_match!(r"^(:?\^[A-Za-z0-9\-_/.]+)$", name)
}

pub mod kv;
pub mod link;

use alloc::collections::BTreeSet;
use delegate::delegate;
use miette::Diagnostic;
use snafu::Backtrace;
use snafu::ensure;
use snafu::Snafu;
use core::str::FromStr;
use core::fmt::Display;
use core::ops::Deref;
use core::borrow::Borrow;
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Link {
    pub(crate) name: String,
}
impl Borrow<Lnk> for Link {
    fn borrow(&self) -> &Lnk {
        self
    }
}
impl Deref for Link {
    type Target = Lnk;
    fn deref(&self) -> &Self::Target {
        #[allow(unsafe_code)]
        unsafe {
            // SAFETY: self.name is a valid link name, by construction
            Self::Target::from_unchecked(&self.name)
        }
    }
}
impl Display for Link {
    delegate! {
        to self.name {
            fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result;
        }
    }
}
impl From<&Lnk> for Link {
    #[inline]
    fn from(link: &Lnk) -> Self {
        link.to_owned()
    }
}
impl FromStr for Link {
    type Err = LinkError;
    #[inline]
    fn from_str(name: &str) -> Result<Self, Self::Err> {
        <&Lnk>::try_from(name).map(Self::from)
    }
}
impl TryFrom<String> for Link {
    type Error = LinkError;
    #[inline]
    fn try_from(name: String) -> Result<Self, Self::Error> {
        ensure!(is_valid_link_name(&name), LinkSnafu { name });
        Ok(Self { name })
    }
}
#[derive(Debug, Diagnostic, Snafu)]
pub struct LinkError {
    pub(crate) name: String,
    pub(crate) backtrace: Backtrace,
}
#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Lnk {
    pub(crate) name: str,
}
impl Lnk {
    #[allow(unsafe_code)]
    #[inline]
    pub(crate) const unsafe fn from_unchecked(name: &str) -> &Self {
        let name: *const _ = name;
        let name = name as *const _;
        unsafe { &*name }
    }
}
impl ToOwned for Lnk {
    type Owned = Link;
    #[inline]
    fn to_owned(&self) -> Self::Owned {
        let name = self.name.to_owned();
        Self::Owned { name }
    }
}
impl<'l> TryFrom<&'l str> for &'l Lnk {
    type Error = LinkError;
    #[inline]
    fn try_from(name: &'l str) -> Result<Self, Self::Error> {
        ensure!(is_valid_link_name(name), LinkSnafu { name });
        Ok(
            #[allow(unsafe_code)]
            unsafe {
                // SAFETY: we have ensured that `name` is a valid link.
                Lnk::from_unchecked(name)
            },
        )
    }
}
pub type Set = BTreeSet<Link>;
fn is_valid_link_name(name: &str) -> bool {
    lazy_regex::regex_is_match!(r"^(:?\^[A-Za-z0-9\-_/.]+)$", name)
}

use alloc::collections::BTreeMap;
use miette::Diagnostic;
use rust_decimal::Decimal;
use snafu::Backtrace;
use snafu::ensure;
use snafu::Snafu;
use core::ops::Deref;
use core::str::FromStr;
use core::fmt::Display;
use core::borrow::Borrow;
pub mod common_keys;
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Key {
    name: String,
}
impl Key {
    #[must_use]
    pub const unsafe fn from_unchecked(name: String) -> Self {
        Self { name }
    }
}
impl Borrow<Ky> for Key {
    fn borrow(&self) -> &Ky {
        self
    }
}
impl Borrow<str> for Key {
    fn borrow(&self) -> &str {
        &self.name
    }
}
impl Deref for Key {
    type Target = Ky;
    fn deref(&self) -> &Self::Target {
        unsafe { Ky::from_unchecked(&self.name) }
    }
}
impl Display for Key {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_str(&self.name)
    }
}
impl From<&Ky> for Key {
    fn from(value: &Ky) -> Self {
        value.to_owned()
    }
}
impl FromStr for Key {
    type Err = KeyError;
    #[inline]
    fn from_str(name: &str) -> Result<Self, Self::Err> {
        Self::try_from(name)
    }
}
impl TryFrom<&str> for Key {
    type Error = KeyError;
    #[inline]
    fn try_from(name: &str) -> Result<Self, Self::Error> {
        ensure!(is_valid_key(name), KeySnafu { name });
        let name = name.to_owned();
        Ok(Self { name })
    }
}
impl TryFrom<String> for Key {
    type Error = KeyError;
    #[inline]
    fn try_from(name: String) -> Result<Self, Self::Error> {
        ensure!(is_valid_key(&name), KeySnafu { name });
        Ok(Self { name })
    }
}
#[derive(Debug, Diagnostic, Snafu)]
pub struct KeyError {
    pub(crate) backtrace: Backtrace,
    pub(crate) name: String,
}
#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct Ky {
    name: str,
}
impl Ky {
    #[must_use]
    pub const unsafe fn from_unchecked(name: &str) -> &Self {
        unsafe {
            let name: *const _ = name;
            let name: *const Self = name as _;
            &*name
        }
    }
}
impl Borrow<str> for Ky {
    fn borrow(&self) -> &str {
        &self.name
    }
}
impl Display for Ky {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_str(&self.name)
    }
}
impl ToOwned for Ky {
    type Owned = Key;
    fn to_owned(&self) -> Self::Owned {
        let name = self.name.to_owned();
        Key { name }
    }
}
impl<'s> TryFrom<&'s str> for &'s Ky {
    type Error = KeyError;
    #[inline]
    fn try_from(name: &'s str) -> Result<Self, Self::Error> {
        ensure!(is_valid_key(name), KeySnafu { name });
        Ok(unsafe { Ky::from_unchecked(name) })
    }
}
pub type Map = BTreeMap<Key, Value>;
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum Value {
    Number(Decimal),
    String(String),
}
impl Value {
    #[must_use]
    pub fn as_number(&self) -> Option<Decimal> {
        if let Self::Number(v) = self {
            Some(*v)
        } else {
            None
        }
    }
    #[must_use]
    pub fn as_str(&self) -> Option<&str> {
        if let Self::String(inner) = self {
            Some(inner)
        } else {
            None
        }
    }
}
impl Display for Value {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Value::Number(inner) => inner.fmt(f),
            Value::String(inner) => write!(f, "{inner:?}"),
        }
    }
}
impl From<&str> for Value {
    fn from(value: &str) -> Self {
        Self::from(value.to_owned())
    }
}
impl From<Decimal> for Value {
    fn from(value: Decimal) -> Self {
        Self::Number(value)
    }
}
impl From<String> for Value {
    fn from(value: String) -> Self {
        Self::String(value)
    }
}
impl From<u8> for Value {
    fn from(value: u8) -> Self {
        Self::Number(Decimal::from(value))
    }
}
impl From<u16> for Value {
    fn from(value: u16) -> Self {
        Self::Number(Decimal::from(value))
    }
}
impl From<u32> for Value {
    fn from(value: u32) -> Self {
        Self::Number(Decimal::from(value))
    }
}
impl From<u64> for Value {
    fn from(value: u64) -> Self {
        Self::Number(Decimal::from(value))
    }
}
fn is_valid_key(name: &str) -> bool {
    lazy_regex::regex_is_match!(r"^(:?[a-z][a-zA-Z0-9\-_]+)$", name)
}

use crate::MetadataKy;
pub const FILENAME: &MetadataKy = unsafe { MetadataKy::from_unchecked("filename") };
pub const LINE_NUMBER: &MetadataKy = unsafe { MetadataKy::from_unchecked("lineno") };
pub const TIMESTAMP: &MetadataKy = unsafe { MetadataKy::from_unchecked("timestamp") };
pub const TRANSACTION_ID: &MetadataKy = unsafe { MetadataKy::from_unchecked("transaction-id") };

pub use crate::metadata::Key as MetadataKey;
pub use crate::metadata::Link;
pub use crate::metadata::Transaction as TransactionMetadata;
pub use crate::metadata::Value as MetadataValue;

pub use crate::metadata::kv::common_keys;
pub use crate::metadata::kv::Key as MetadataKey;
pub use crate::metadata::kv::Ky as MetadataKy;
pub use crate::metadata::kv::Map as MetadataMap;
pub use crate::metadata::kv::Value as MetadataValue;
pub use crate::metadata::link::Link;
pub use crate::metadata::link::Set as LinkSet;

}
impl Directive {
    pub fn add_meta(
        &mut self,
        key: impl Into<MetadataKey>,
        value: impl Into<MetadataValue>,
    ) -> &mut Self {
        match self {
            Directive::Balance(inner) => {
                inner.add_meta(key, value);
            }
            Directive::Price(inner) => {
                inner.add_meta(key, value);
            }
            Directive::Transaction(inner) => {
                inner.add_meta(key, value);
            }
        }
        self
    }

    /// Returns `true` if the directive is [`Balance`].
    ///
    /// [`Balance`]: Directive::Balance
    #[must_use]
    pub fn is_balance(&self) -> bool {
        matches!(self, Self::Balance(..))
    }
}
impl Directive {

            Directive::Transaction(transaction) => transaction
                .postings
                .get(0)
                .map(|posting| posting.account.as_ref()),

            Directive::Transaction(transaction) => transaction.main_account(),

impl From<Price> for Directive {
    fn from(price: Price) -> Self {
        Self::Price(price)
    }
}

use crate::MetadataKey;
use crate::MetadataMap;
use crate::MetadataValue;

#[derive(Clone, Debug, Eq, Hash, PartialEq, PartialOrd)]

#[derive(Clone, Debug, Eq, Hash, PartialEq)]

    pub meta: MetadataMap,
}
impl Balance {
    pub fn new(date: Date, account: impl Into<Account>, amount: Amount) -> Self {
        let (account, meta) = (account.into(), MetadataMap::default());
        Self {
            date,
            account,
            amount,
            meta,
        }
    }

    #[inline]
    pub fn add_meta(
        &mut self,
        key: impl Into<MetadataKey>,
        value: impl Into<MetadataValue>,
    ) -> &mut Self {
        self.meta.insert(key.into(), value.into());
        self
    }

    pub fn clear_meta(&mut self) -> &mut Self {
        self.meta.clear();
        self
    }
    #[inline]
    pub fn set_account(&mut self, account: impl Into<Account>) -> &mut Self {
        self.account = account.into();
        self
    }
    #[inline]
    pub fn set_amount(&mut self, amount: Amount) -> &mut Self {
        self.amount = amount;
        self
    }
    #[inline]
    pub fn set_date(&mut self, date: Date) -> &mut Self {
        self.date = date;
        self
    }
    #[inline]
    pub fn set_meta(&mut self, meta: impl Into<MetadataMap>) -> &mut Self {
        self.meta = meta.into();
        self
    }
}
impl Balance {
    #[inline]
    #[must_use]

            meta,

        write!(f, "{date} balance {account} {amount}")

        write!(f, "{date} balance {account} {amount}")?;
        for (key, value) in meta {
            write!(f, "\n  {key}: {value}")?;
        }
        Ok(())

use crate::Acc;

    pub fn base(&self) -> &Acc {
        &self.base
    }

use beancount_types::Account;

use beancount_types::Acc;
use beancount_types::Balance;
use beancount_types::Commodity;

use beancount_types::Price;

use time::Month;

use time::Date;
use tracing::warn;

            .into_group_map_by(|directive| DirectiveIndex::try_from(directive).unwrap());

            .filter_map(|directive| {
                Some((file_for(&self.config.output_path, &directive)?, directive))
            })
            .into_group_map();

            .map(|(index, directives)| self.write_month(pretty_printer_config, index, directives))

            .map(|(file, directives)| self.write_month(pretty_printer_config, &file, directives))

        index: DirectiveIndex,

        file: &Utf8Path,

        let file = index.file_in(&self.config.output_path);
        self.open_file(&file)

        self.open_file(file)

            .context(PrettyPrintingSnafu { file, index })

            .context(PrettyPrintingSnafu { file })

#[derive(Debug, Eq, Hash, PartialEq)]
struct DirectiveIndex {
    account: Account,
    year: i32,
    month: Month,

fn file_for(base: &Utf8Path, directive: &Directive) -> Option<Utf8PathBuf> {
    match directive {
        Directive::Balance(Balance { date, account, .. }) => {
            Some(account_file(base, account, *date))
        }
        Directive::Price(Price { quote, .. }) => Some(price_file(base, quote)),
        Directive::Transaction(transaction) => {
            if let Some(account) = transaction.main_account() {
                Some(account_file(base, account, transaction.date))
            } else {
                warn!(
                    ?transaction,
                    "ignoring transaction since it has no postings"
                );
                None
            }
        }
    }

impl DirectiveIndex {
    fn file_in(&self, path: &Utf8Path) -> Utf8PathBuf {
        let Self {
            account,
            year,
            month,
        } = self;
        let month = *month as u8;

fn account_file(base: &Utf8Path, account: &Acc, date: Date) -> Utf8PathBuf {
    let year = date.year();
    let month = date.month();
    let month = month as u8;

        let separator = path::MAIN_SEPARATOR;

    let separator = path::MAIN_SEPARATOR;

        let mut path = path.to_string();
        let additional = account.len() + 4 + 2 + 5 + 3; // account name + year + month + extension + extra separators
        path.reserve(additional);

    let mut path = base.to_string();
    let additional = account.len() + 4 + 2 + 5 + 3; // account name + year + month + extension + extra separators
    path.reserve(additional);

        account
            .segments()
            .for_each(|segment| write!(path, "{separator}{segment}").unwrap());

    account
        .segments()
        .for_each(|segment| write!(path, "{separator}{segment}").unwrap());

        write!(path, "{separator}{year}{separator}{month:02}.bean").unwrap();

    write!(path, "{separator}{year}{separator}{month:02}.bean").unwrap();

        path.into()
    }

    Utf8PathBuf::from(path)

impl TryFrom<&Directive> for DirectiveIndex {
    type Error = ErrorKind;

    fn try_from(value: &Directive) -> Result<Self, Self::Error> {
        let account = if let Some(account) = value.main_account() {
            account.to_owned()
        } else {
            return IndexingDirectiveSnafu {
                directive: value.clone(),
            }
            .fail();
        };
        let date = value.date();
        let year = date.year();
        let month = date.month();

fn price_file(base: &Utf8Path, quote: &Commodity) -> Utf8PathBuf {
    let mut path = base.join("prices");
    path.push(&**quote);
    path.set_extension("bean");

        Ok(Self {
            account,
            year,
            month,
        })
    }

    path

    #[snafu(display("error while pretty printing directives for key {index:?} to {file}"))]

    #[snafu(display("error while pretty printing directives to {file}"))]

        index: DirectiveIndex,

tracing.workspace = true

use beancount_types::TransactionMetadata;

            meta,

        self.print_amount(self.config.amount, amount)

        self.print_amount(self.config.amount, amount)?;
        for (key, value) in meta {
            write!(self.inner, "\n  {key}: {value}")?;
        }
        Ok(())

            metadata,

            links,
            meta,

            (Some(payee), Some(narration)) => write!(self.inner, r#" "{payee}" "{narration}""#)?,
            (Some(payee), None) => write!(self.inner, r#" "{payee}" """#)?,
            (None, Some(narration)) => write!(self.inner, r#" "{narration}""#)?,

            (Some(payee), Some(narration)) => write!(self.inner, r" {payee:?} {narration:?}")?,
            (Some(payee), None) => write!(self.inner, r#" {payee:?} """#)?,
            (None, Some(narration)) => write!(self.inner, r" {narration:?}")?,

        self.print_transaction_metadata(metadata)?;

        for link in links {
            write!(self.inner, "\n  {link}")?;
        }
        for (key, value) in meta {
            write!(self.inner, "\n  {key}: {value}")?;
        }

    fn print_transaction_metadata(&mut self, metadata: &TransactionMetadata) -> Result<()> {
        let TransactionMetadata {
            key_value, links, ..
        } = metadata;
        for link in links {
            write!(self.inner, "\n  {link}")?;
        }
        for (key, value) in key_value {
            write!(self.inner, "\n  {key}: {value}")?;
        }
        Ok(())
    }